图书馆系统管理,书籍注册，登记，借出，借阅超时。-Management of the library system, books, registration, registration, loan, borrow timeout

EIP经典案例Load Broker————Mule ESB实践(When shopping for a loan, a customer usually calls several banks to find the deal with the best possible interest rate. Each bank asks the customer for his or her social security number, the amount of the loan, and th